1741 . How much interest will TK. 1,000 earn in one year at an annual rate of 8% if interest is compounded every 6 months ?

A. 82.4
B. 82.0
C. 81.6
D. 80.0

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Answer: Option C

Explanation:

Interest of 1st 6 months = 1000*8% = 80/2 = 40

∴ Sum = 1000 + 40 = 1040

now, Interest of last 6 months = 1040*8% = 83.2/2 = 41.6

Thus, Sum of Interest in year = (40 + 41.60) = 81.60 .

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Bangladesh Bank - Officer - 2001

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1742 . How much interest will tk. 10,000 earn in 9 months at an annual rate of 6% ?

A. 900
B. 750
C. 600
D. 450

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Answer: Option D

Explanation:

9 months = 3/4 of year;
6% = 6/100 = 3/50;
Tk. 10,000(principal)*3/50(interest rate)*3/4(time)
= Tk. 450.

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Bangladesh Bank - Assistant Director - 2001

A. 200
B. 205
C. 110
D. 208
E. 210

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Answer: Option E

Explanation:

p' = p ( 1 + r/m)nm

= 1000 (1 + .20/2)2

= 1000 * (1.1)2 = 1210

p, - p = 1210 - 1000 = 210

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Bangladesh Bank - Assistant Director - 2010

A. 0.0100
B. 0.10000
C. 0.000001
D. 0.0000001

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Answer: Option D

Explanation:

.01 X 0.01 X 0.001 =0.0000001

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1745 . How much longer is required to drive one mile at 60 miles/hour than at 100 miles/hour?

A. 30 seconds
B. 40 seconds
C. 28 seconds
D. 25 seconds
E. None of these

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Answer: Option E

Explanation:

1/60 - 1/100

= 1/150

= 60*60/150

= 24 seconds

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1746 . How much percent is 7.5 of 25?

A. 29%
B. 10%
C. 30%
D. 25%

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Answer: Option C

Explanation:

To find the percentage, we can divide 7.5 by 25 and multiply by 100:

Percentage = (7.5 / 25) * 100
Percentage = 30%

So 7.5 is 30% of 25.

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1747 . How much time will it take for an amount of Tk 450 to yield Tk. 81 as interest at 4.5% per annum of simple interest?

A. 3.5 years
B. 4.5 years
C. 4 years
D. 5 years

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Answer: Option C

Explanation:

n = (I×100)/(p×r)

= (81×100)/(450×4.5)

= 4 years

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1748 . How much will it cost to fence in a field that is 12 feet long and 42 feet wide with fence that cost $10 a yard?

A. $180
B. $360
C. $504
D. $540
E. $1080

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Answer: Option B

Explanation:

1 yard = 3 feet

Thus, Length of the field = 12 feet

= 4 yard

Width of the field = 42 feet

= 42/3 yard

= 14 yard

Now, Total length of the fence = (2*4) + (2*14) yards = 36 yards

As, the cost of one yard is 10,

therefore cost of 36 yard = 36*10 = 360.

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Sonali-Janata-Agrani &amp-Rupali Bank Ltd. &amp-RAKUB Officer Recruitment 28.03.2008

A. 1060
B. 1000
C. 1020
D. 1040

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Answer: Option D

Explanation:

Field's Length = 360 cm = 3.6 m
& Width = 160 cm = 1.6 m
Field's Perimeter
= 2 (3.6 + 1.6) = 2 × 5.2 = 10.4 m Total cost for fencing
= 10.4 × 100 = Tk. 1040

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Bangladesh Bank - Assistant Director - 2001

A. Tk.90
B. Tk.95
C. Tk. 105
D. Tk. 110

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Answer: Option C

Explanation:

printing company selling price = book seller buying price = \frac{70 \times 120}{100} = 84 book seller selling price = Me buying price = \frac{84 \times 125}{100} = 105 tk

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NRBC BANK PO/TAO (16-06-2023) || 2023

1751 . I f $\frac{x}{y} + \frac{y}{x} = 6,$ the value of $\frac{x^{3}}{y^{3}} + \frac{y^{3}}{x^{3}}$ is-

A. $198$
B. $176$
C. $156$
D. $144$

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Answer: Option A

Explanation:

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সমন্বিত ১০ ব্যাংক ও আর্থিক প্রতিষ্ঠান || অফিসার (জেনারেল) (08-03-2024)

A. 2
B. 3
C. 4
D. 5

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Answer: Option C

Explanation:

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1753 . I f o n e f a c t o r o f 2 a 4 + 5 a 3 − 5 a + 2 i s ( a − 1 ) , w h

A. 2 a 2 − a + 2
B. 2 a 2 − a − 2
C. a-2
D. a 2 − 1

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Answer: Option A

Explanation:

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1754 . I f x 2 + 4 x + 3 i s o d d , t h e n w h i c h o i n e o f t h e f o l l o w i n g c o u l d b e t h e v a l u e o f x ?

A. 9
B. 11
C. 12
D. 16

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Answer: Option D

Explanation:

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1755 . If 25% of a number is subtracted from a second number, the second number reduces to its five-sixth .What is the ratio of the first number to the second number ?

A. 1:3
B. 2:3
C. 3:2
D. None of these

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Answer: Option B

Explanation:

A = First Number

B = Second Number

B - 1/4A = 5/6B

B = 1/4A + 5/6B

1/6B = 1/4A

4B = 6A

2B = 3A

2/3B = A

A:B = 2:3

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Bangladesh Bank - Assistant Director - 2016

1741 . How much interest will TK. 1,000 earn in one year at an annual rate of 8% if interest is compounded every 6 months ?

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1742 . How much interest will tk. 10,000 earn in 9 months at an annual rate of 6% ?

1743 . How much interest will TK. 1000 earn in one year at the annual interest rate of 20% if interest rate is compounded every 6 months ?

1744 . How much is .01 x 0.01 x 0.001 =?

1745 . How much longer is required to drive one mile at 60 miles/hour than at 100 miles/hour?

1746 . How much percent is 7.5 of 25?

1747 . How much time will it take for an amount of Tk 450 to yield Tk. 81 as interest at 4.5% per annum of simple interest?

1748 . How much will it cost to fence in a field that is 12 feet long and 42 feet wide with fence that cost $10 a yard?

1749 . How much will it cost to fence in a field that is 360 vm long and 160 cm wide with fence costs Tk.100 a meter?

1750 . How much would I have to pay for a book which cost Tk 70 to produce, if the printing company sold it to a book seller at 20% profit and the book seller sold it to me at a profit of 25%?

1752 . I f f ( x ) = x x − 2 t h e n v a l u e o f f − 1 ( 2 ) ?

1753 . I f o n e f a c t o r o f 2 a 4 + 5 a 3 − 5 a + 2 i s ( a − 1 ) , w h

1754 . I f x 2 + 4 x + 3 i s o d d , t h e n w h i c h o i n e o f t h e f o l l o w i n g c o u l d b e t h e v a l u e o f x ?

1755 . If 25% of a number is subtracted from a second number, the second number reduces to its five-sixth .What is the ratio of the first number to the second number ?

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